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GLA GRO Planted Aquarium CO2 Regulator The GLA GRO CO2 Regulator is a compact, precision-built single-stage regulator designed for dependable CO2 control in planted aquariums. Its streamlined...

GLA GRO Planted Aquarium CO2 Regulator (DIN477) The GLA GRO CO2 Reglt single-stage regulator designed for international planted aquarium CO2 installations using compatible W21.8 × 1/14 cylinder...

GLA GRO Paintball CO2 Regulator The GLA GRO Paintball CO2 Regulator is a compact, precision-built single-stage regulator designed for use with compatible paintball-style CO2 cylinders. Built around...

GLA GRO Cartridge CO2 Kit The GLA GRO Cartridge CO2 Kit is a compact, cartridge-based CO2 system designed for nano and small planted aquariums where space, simplicity, and clean installation are...

GLA DS-Mini Dual Stage CO2 Regulator (Modular Manifold) The GLA DS-Mini Dual Stage CO2 Regulator is a compact, professional-grade regulator designed for aquarists seeking dual-stage pressure...

GLA DS-Mini Dual Stage CO2 Regulator (Modular) (DIN477) The GLA DS-Mini Dual Stage CO2 Regulator (DIN477) is a compact, professional-grade regulator designed for international planted aquarium CO2...

GLA PRO-DS-1 Dual Stage CO2 Regulator (Modular Manifold) The GLA PRO-DS-1 Dual Stage CO2 Regulator is our full-size modular dual-stage platform, engineered for aquarists seeking premium pressure...

GLA PRO-DS Dual Stage CO2 Regulator (Modular) (DIN477) The GLA PRO-DS Dual Stage CO2 Regulator (DIN477) is our full-size modular dual-stage platform for international planted aquarium CO2...

GLA PRO-DS-2 Dual Stage CO2 Regulator (2-Block Modular Manifold) The GLA PRO-DS-2 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with two independently controlled...

GLA PRO-DS-3 Dual Stage CO2 Regulator (3-Block Modular Manifold) The GLA PRO-DS-3 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with three independently controlled...

GLA PRO-DS-4 Dual Stage CO2 Regulator (4-Block Modular Manifold) The GLA PRO-DS-4 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with four independently controlled...

GLA PRO-DS-5 Dual Stage CO2 Regulator (5-Block Modular Manifold) The GLA PRO-DS-5 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with five independently controlled...

GLA PRO-DS-6 Dual Stage CO2 Regulator (6-Block Modular Manifold) The GLA PRO-DS-6 Dual Stage CO2 Regulator is our full-size modular dual-stage platform configured with six independently controlled...

GLA GRO Planted Aquarium CO2 System The GLA GRO CO2 System provides a streamlined foundation for pressurized CO2 injection in planted aquariums. Built around the GLA GRO regulator platform, the...

GLA DS-Mini Dual Stage CO2 System (Modular) The GLA DS-Mini Dual Stage CO2 System combines compact dual-stage pressure regulation, modular CO2 distribution, a refillable aluminum CO2 cylinder, and...

GLA PRO-DS Dual Stage CO2 System (Modular) The GLA PRO-DS Dual Stage CO2 System combines our full-size dual-stage regulator platform, modular CO2 distribution, a refillable aluminum CO2 cylinder,...

GLA CO2 Splitter for GRO Regulator Expand your GLA GRO CO2 regulator to supply multiple planted aquariums from a single regulator and CO2 cylinder with the GLA CO2 Splitter. Designed specifically...

GLA Modular CO2 Manifold Expansion Block Expand the CO2 distribution capacity of a compatible GLA modular dual-stage regulator with the GLA Modular CO2 Manifold Expansion Block. Each...

GLA OEM replacement power supply for GLA CO2 regulators, for newest Gen 3 DC barrel plug cable style GLA CO2 Regulators. Please don't hesitate to contact us with any questions.

Replacement GLA OEM Needle Valve for GLA GRO CO2 Regulator. This OEM replacement needle valve is designed specifically for the GLA GRO CO₂ Regulator, restoring precise and reliable CO₂ flow control...

Intense Precision CO2 Solenoid Valve with Heavy Duty Three-Prong Power Cord (limited release) made in Germany 110V, 3.3 watts 6 ft heavy duty three prong power cord gray anodized aluminum IP67 cord...

OEM replacement acrylic tube for GLA CO2 bubble counters  

GLA OEM replacement power supply for GLA CO2 regulators, for Gen 2 and older USB style GLA CO2 Regulators

GLA OEM CO2 Bubble Counter Replacement GLA OEM CO2 bubble counter designed for use with compatible GLA aquarium CO2 regulators and systems. This precision bubble counter provides a clear visual...

Replacement o-ring for GLA manifold block, pack of 2. 

GLA GRO CGA-320 Adapter Fitting The GLA GRO CGA-320 Adapter Fitting converts compatible GLA GRO paintball and cartridge-style CO2 regulators for use with standard CGA-320 CO2 cylinders. This...

GLA Paintball Adapter Fitting The GLA Paintball Adapter Fitting converts compatible GLA GRO CO2 regulators for use with paintball-style CO2 cylinders featuring standard pin valve connections. This...

Replacement threaded O-ring assembly kit for GLA GRO Cartridge CO2 Regulator. If you are uncertain if the part is correct for your application, please email or text us to inquire, happy to help...

GLA 2.5 lb Aluminum CO2 Cylinder The GLA 2.5 lb CO2 cylinder is a compact, high-quality aluminum cylinder designed for planted aquarium CO2 systems where space efficiency is important. Its smaller...

GLA 5 lb Aluminum CO2 Cylinder The GLA 5 lb CO2 cylinder is a high-quality aluminum cylinder designed for planted aquarium CO2 systems. Its compact footprint and reliable capacity make it one of the...

74 Gram Disposable CO2 Cartridges (2 Pack) Replacement 74 gram disposable CO2 cartridges designed for use with compatible aquarium CO2 systems and regulators. These compact cartridges provide a...

GLA OEM CO2 Tank Seal The GLA OEM CO2 tank seal is designed for the connection between your CO2 regulator and CO2 cylinder, helping ensure a secure and leak-free installation. This premium clear...

Nylon CO2 Tank Seal This nylon CO2 tank seal is designed for the connection between your CO2 regulator and CO2 cylinder, helping create a secure seal during installation. Replacement seals should...

GLA Stainless Steel Check Valve - Planted Tank Check Valve  The GLA Stainless Check Valve is a high-quality, stainless steel check valve designed to protect your CO2 system from backflow. Built for...

GLA Atomic Check Valve – Nature Aquarium Check Valve High-Pressure CO2 Protection in a Compact, Precision-Machined Form Engineered for serious aquascapers and high-performance planted aquarium CO2...

GLA Clear CO2-Resistant Tubing (10 Feet) The GLA Clear CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Black CO2-Resistant Tubing (10 Feet) The GLA Black CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA White CO2-Resistant Tubing (10 Feet) The GLA White CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Transparent Green CO2-Resistant Tubing (10 Feet) The GLA Transparent Green CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone...

GLA Green CO2-Resistant Tubing (10 Feet) The GLA Green CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Gray CO2-Resistant Tubing (10 Feet) The GLA Gray CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone airline tubing, which...

GLA Transparent Blue CO2-Resistant Tubing (10 Feet) The GLA Transparent Blue CO2-Resistant Tubing is designed specifically for pressurized planted aquarium CO2 systems. Unlike standard silicone...

Part of the GLA Artisan Collection — Handcrafted by a Small Family of Village Artisans. Crafted One at a Time. Handcrafted by a Small Family of Village Artisans The GLA Artisan Veil CO2 Diffuser is...

Part of the GLA Artisan Collection — Handcrafted by a Small Family of Village Artisans. Crafted One at a Time. Handcrafted by a Small Family of Village Artisans The GLA Artisan Twin CO2 Diffuser is...

Part of the GLA Artisan Collection — Handcrafted by a Small Family of Village Artisans. Crafted One at a Time. Handcrafted by a Small Family of Village Artisans The GLA Artisan CO2 Diffuser – Large...

Part of the GLA Artisan Collection — Handcrafted by a Small Family of Village Artisans. Crafted One at a Time. Handcrafted by a Small Family of Village Artisans The GLA Artisan CO2 Diffuser –...

Part of the GLA Artisan Collection — Handcrafted by a Small Family of Village Artisans. Crafted One at a Time. Handcrafted by a Small Family of Village Artisans The GLA Artisan CO2 Diffuser – Small...

Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Clay/Tiny Ultra-Fine CO2 Diffusion for Nano & Small Nature Aquariums The Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Tiny delivers...

Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Clay/S Ultra-Fine CO2 Diffusion for Compact & Medium Nature Aquariums The Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Small provides...

Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Clay/M Ultra-Fine CO2 Diffusion for Medium & Large Nature Aquariums The Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Medium delivers...

Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Clay/L Ultra-Fine CO2 Diffusion for Large Nature Aquariums The Nature Aquarium CO2 Atomizer – Ultra-Fine Diffuser – Large delivers powerful and...

GLA PRO-CO2 Atomizing Reactor 5L Advanced Atomizing CO₂ Reactor for Nature Aquariums The GLA PRO-CO2 Atomizing Reactor 5L combines high-pressure CO₂ atomization with reactor-based dissolution to...

GLA External CO₂ Diffuser Atomizer (Inline) The GLA External CO₂ Diffuser is an inline CO₂ diffusion device designed for installation outside of the aquarium. It installs directly into the outflow...

GLA Onyx CO₂ Atomizer Diffuser (Ultra-Large) Ultra-Large Black Ceramic CO₂ Diffusion for High-Demand Nature Aquariums The GLA Onyx CO₂ Atomizer Diffuser (Ultra-Large) is a purpose-built,...

CeramicStone CO2 Diffuser Atomizer Elevate your aquarium's health and aesthetics with the Ceramic Stone CO2 Diffuser. This high-quality aquarium accessory is designed to efficiently dissolve CO2...

Lucid CO2 Diffuser Atomizer (Large) – Precision CO2 Injection for a Thriving Nature Aquarium Maximize CO2 absorption in your planted aquarium with the Lucid CO2 Diffuser Atomizer (Large). Features a...

Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic (40cm) The Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic is a high-performance solution designed for efficient CO2...

Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic (35cm) The Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic is a high-performance solution designed for efficient CO2...

Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic (30cm) The Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic is a high-performance solution designed for efficient CO2...

Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic (25cm) The Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic is a high-performance solution designed for efficient CO2...

Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic (2 PIECE) The 2 piece Atomic Stainless Steel CO2 Diffuser with Replaceable Ceramic is a high-performance solution designed for efficient...

GLA PRO-CO2 Reactor 90 Degree Internal Flow Elbow Optional Performance Upgrade for GLA PRO-CO2 Reactors. Compatible with both the original GLA PRO-CO2 Reactor and the GLA PRO-CO2 Atomizing Reactor...

Replacement Ceramic Membrane for GLA External CO2 Atomizer (replacement ceramic membrane only, atomizer purchased separately) The GLA Replacement Ceramic Membrane is a direct replacement diffusion...

Replacement ceramic atomizing core for the Atomic Aluminum Inline CO2 diffuser.

Replacement ceramic tube for GLA Aluminum Inline CO2 Diffuser, select appropriate size 16/22mm or 12/16mm.

Replacement set of hose barbs for 16/22mm CO2 reactor

GLA Glass Orb CO2 Drop Checker Kit The GLA Glass Orb CO2 Drop Checker Kit provides a simple and reliable way to visually monitor CO2 levels in planted aquariums. Designed with a clean glass orb...

GLA Glass CO2 Drop Checker Kit The GLA Glass CO2 Drop Checker Kit provides a simple and reliable way to visually monitor CO2 levels in planted aquariums. Designed for accuracy and ease of use, this...

GLA 4 dKH CO2 Indicator Solution – Lab Certified Analytical Standard GLA 4 dKH CO2 Indicator Solution is a laboratory-certified analytical standard designed for accurate planted aquarium CO2...

GLA Nectar AIO - All-in-One Liquid Fertilizer for Freshwater Nature Aquariums Elevate the vitality and growth of your planted aquarium with GLA Nectar AIO, a meticulously formulated all-in-one...

GLA Nectar AIO/S - Copper-Free All-in-One Liquid Fertilizer for Freshwater Planted Tanks Safe, Effective Nutrition for Sensitive Aquatic Life GLA Nectar AIO/S offers the same comprehensive nutrient...

GLA Macros & Micros Nectar Bottle Set - Complete Nutrient Solution for Freshwater Planted Aquariums (2 x 1000 ML Bottles) Achieve a thriving, vibrant aquascape with the combined power of GLA Macros...

GLA Macros Nectar - Macronutrient Liquid Fertilizer for Freshwater Aquariums (1000 ML) Transform your planted aquarium with GLA Macros Nectar, a high-performance macronutrient solution engineered to...

GLA Micros Nectar - Micronutrient Liquid Fertilizer for Freshwater Nature Aquariums (1000 ML) Enhance the growth and vitality of your planted aquarium with GLA Micros Nectar, a precisely formulated...

GLA Terra Root Fertilizer – Aquarium Substrate Capsules - Root Tabs Slow-release root fertilizer capsules provide essential macronutrients (N, P, K, Mg, Ca) directly to the plant root zone for...

GLA PPS-Pro Aquarium Fertilizer Package – N, P, K, Mg & GLA Micros (Bags) Complete PPS-Pro Dry Fertilizer Kit with DTPA & EDTA Chelated Trace Mix The GLA PPS-Pro Aquarium Fertilizer Package...

GLA PPS-Pro Aquarium Fertilizer Package – N, P, K, Mg & GLA Micros (Jars) DIY PPS-Pro Nutrient Kit for Precision Planted Aquarium Dosing – Includes DTPA & EDTA Chelated Trace Mix The GLA PPS-Pro...

GLA PPS-Pro Aquarium Fertilizer Package – N, P, K, Mg & GLA Micros II (Copper-Free, Bags) Shrimp-Safe PPS-Pro Fertilizer System with Copper-Free Trace Mix The GLA PPS-Pro Aquarium Fertilizer...

GLA PPS-Pro Aquarium Fertilizer Package – N, P, K, Mg & GLA Micros II (Copper-Free, Jars) Copper-Free DIY Nutrient Kit for Planted Aquariums Using the PPS-Pro Method The GLA PPS-Pro Aquarium...

GLA Estimative Index (EI) Aquarium Fertilizer Package – NPK + Micronutrients (Bags) High-Dose Nutrient System for Planted Aquariums Using the EI Dosing Method The GLA Estimative Index (EI) Aquarium...

GLA Estimative Index (EI) Aquarium Nutrients Package (Jars) High-Dose NPK + Chelated Trace Nutrients/Micros for EI Fertilization The GLA Estimative Index (EI) Aquarium Nutrients Package is a...

GLA Macros & Micros – Nature Aquarium Fertilizer Kit for EI & PPS-Pro Dosing (Bags) Complete NPK + Micronutrient System for Planted Aquariums (With Copper) The GLA Macros & Micros Fertilizer Kit...

GLA Macros & Micros – Nature Aquarium Fertilizer Kit for EI & PPS-Pro Dosing (Jars) Dry NPK + Trace Nutrients for Planted Aquariums (With Copper) The GLA Macros & Micros Fertilizer Kit (Jars)...

GLA Macros & Micros II – Shrimp-Safe Nature Aquarium Fertilizer Kit for EI & PPS-Pro Dosing (Copper-Free) (Bags) Copper-Free NPK + Micronutrient System for Sensitive Planted Aquariums The GLA...

GLA Macros & Micros II – Shrimp-Safe Nature Aquarium Fertilizer Kit for EI & PPS-Pro Dosing (Copper-Free) (Jars) Copper-Free Dry Nutrient Set for Planted Aquariums Using PPS-Pro or EI The GLA...

GLA Reef Tank Fertilizer Package – 1 lb Bags (KNO₃ & KH₂PO₄) A reef-safe, dry fertilizer combo tailored for reef aquariums and macroalgae systems that require precise nitrogen and phosphorus...

GLA Reef Tank Fertilizer Package – 1 lb Jars (KNO₃ & KH₂PO₄) This 2-part fertilizer package is designed to support macro-nutrient demands in reef and marine planted tanks with minimal nitrogen and...

GLA Macromix – Nature Aquarium Fertilizer (Bag) Complete NPK + Magnesium Dry Mix for PPS-Pro & EI Aquarium Dosing GLA Macromix is a professionally blended macronutrient mix that delivers nitrogen...

GLA Macromix – Nature Aquarium Fertilizer (Jar) Complete NPK + Magnesium Dry Mix for PPS-Pro & EI Aquarium Dosing GLA Macromix is a professionally blended macronutrient mix that delivers nitrogen...

GLA Micros Micromix – Chelated Trace Mix for Nature Aquariums (Bag) DTPA + EDTA Chelated Micronutrients for EI & PPS-Pro Aquarium Fertilization – Formulated Specifically for Nature Aquariums GLA...

GLA Micros Micromix – Chelated Trace Mix for Nature Aquariums (Jar) DTPA + EDTA Chelated Micronutrients for EI & PPS-Pro Aquarium Fertilization - Formulated Specially for Nature Aquariums GLA...

GLA Micros Micromix II – Shrimp-Safe Trace Mix (Copper-Free) for Nature Aquariums (Bag) Chelated Micronutrient Blend Without Copper for PPS-Pro & EI Fertilizer Dosing GLA Micros Micromix II is a...

GLA Micros Micromix II – Shrimp-Safe Trace Mix (Copper-Free) for Nature Aquariums (Jar) Chelated Micronutrient Blend Without Copper for PPS-Pro & EI Fertilizer Dosing GLA Micros Micromix II is a...

Potassium Nitrate KNO₃ – Aquarium Plant Food (1lb Bag) Provides Nitrogen (N) & Potassium (K) – Essential for Photosynthesis, Growth & Leaf Health Potassium Nitrate (KNO₃) is a high-purity...

Potassium Nitrate KNO₃ – Aquarium Plant Food (1lb Jar) Provides Nitrogen (N) & Potassium (K) – Essential for Photosynthesis, Growth & Leaf Health Potassium Nitrate (KNO₃) is a high-purity...

Monopotassium Phosphate KH₂PO₄ – Aquarium Macronutrient (1lb Bag) Provides Phosphorus (P) & Potassium (K) – Critical for Energy Transfer & Root Growth Monopotassium Phosphate (KH₂PO₄), packaged in...

Monopotassium Phosphate KH₂PO₄ – Aquarium Macronutrient (1lb Bag) Provides Phosphorus (P) & Potassium (K) – Critical for Energy Transfer & Root Growth Monopotassium Phosphate (KH₂PO₄) delivers highly...